Design, develop, and maintain scalable Java backend services and REST APIs using Spring Boot. Optimize relational databases (MySQL), integrate third-party APIs and messaging systems, ensure security and performance, participate in system design, code reviews, testing, CI/CD, and collaborate with product, UI, and engineering teams in Agile delivery.
This role is for one of the Weekday's clients
Salary range: Rs 1000000 - Rs 1800000 (ie INR 10-18 LPA)
Experience: 2+ yrs
Location: Mumbai
Job Type: full-time
We are looking for a highly skilled Java Backend Developer to design, develop, and maintain scalable web applications and backend systems. This role is ideal for someone who enjoys solving complex technical challenges, building robust APIs, and creating high-performance applications that support business growth.
As a key member of the engineering team, you will be responsible for designing application architecture, developing backend services, integrating third-party systems, and ensuring the reliability, security, and scalability of web applications. You will collaborate closely with product teams, UI designers, and fellow engineers to deliver high-quality solutions while following modern software development practices.
The ideal candidate combines strong Java development expertise with a solid understanding of system design, database management, API development, and agile delivery methodologies.
RequirementsKey Responsibilities
- Design and develop scalable, secure, and high-performing web application architectures.
- Build and maintain backend services using Java and Spring Boot.
- Develop REST APIs and integrate third-party partner APIs and external systems.
- Design, manage, and optimize relational databases and backend data structures.
- Collaborate with UI/UX designers, product stakeholders, and engineering teams to deliver business requirements.
- Ensure application performance, reliability, responsiveness, and scalability.
- Participate in system design discussions and contribute to architectural decisions.
- Implement security best practices and data protection measures across applications.
- Maintain clean, reusable, and well-documented code following development standards.
- Collaborate with cross-functional teams to develop and launch new features.
- Participate in code reviews, testing, debugging, and performance optimization activities.
- Manage source code using version control systems and support CI/CD processes.
- Contribute to Agile development ceremonies including sprint planning, stand-ups, and retrospectives.
- Troubleshoot production issues and ensure smooth application operations.
- Minimum 3 years of experience in Java-based application development.
- Strong proficiency in Java and the Spring Boot framework.
- Experience building scalable backend applications and RESTful APIs.
- Solid understanding of relational databases such as MySQL.
- Knowledge of application architecture, system design principles, and software development best practices.
- Experience integrating external APIs, messaging services, and notification systems.
- Familiarity with version control tools such as Git, SVN, or Mercurial.
- Strong problem-solving, analytical, and debugging skills.
- Understanding of Agile methodologies and collaborative development environments.
- Ability to communicate effectively with both technical and non-technical stakeholders.
- Strong ownership mindset with a focus on quality and continuous improvement.
- Spring Boot
- Java
- REST APIs
- MySQL
- System Design
- Database Management
- API Integration
- Agile Development
- Git Version Control
- Microservices Architecture
- AWS Cloud Services
- Data Structures & Algorithms (DSA)
- Cloud Messaging APIs
- Scalable Distributed Systems
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